Amplification-free CRISPR/Cas detection technology: challenges, strategies, and perspectives

H Li, Y **e, F Chen, H Bai, L **u, X Zhou… - Chemical Society …, 2023 - pubs.rsc.org
Rapid and accurate molecular diagnosis is a prerequisite for precision medicine, food
safety, and environmental monitoring. The clustered regularly interspaced short palindromic …

Signal Amplification by the trans-Cleavage Activity of CRISPR-Cas Systems: Kinetics and Performance

W Feng, H Zhang, XC Le - Analytical Chemistry, 2023 - ACS Publications
Nucleic acid cleavage processes contribute to target and signal amplification, which is
critical for the development of highly sensitive assays. 1, 2 Exonucleases or endonucleases …

A SERS-signalled, CRISPR/Cas-powered bioassay for amplification-free and anti-interference detection of SARS-CoV-2 in foods and environmental samples using a …

L Ma, W Zhang, L Yin, Y Li, J Zhuang, L Shen… - Journal of Hazardous …, 2023 - Elsevier
The pandemic of COVID-19 creates an imperative need for sensitive and portable detection
of SARS-CoV-2. We devised a SERS-read, CRISPR/Cas-powered nanobioassay, termed as …

Split crRNA with CRISPR-Cas12a enabling highly sensitive and multiplexed detection of RNA and DNA

Y Chen, X Wang, J Zhang, Q Jiang, B Qiao… - Nature …, 2024 - nature.com
The CRISPR-Cas12a system has revolutionized nucleic acid testing (NAT) with its rapid and
precise capabilities, yet it traditionally required RNA pre-amplification. Here we develop …

[HTML][HTML] Cas12a2 elicits abortive infection through RNA-triggered destruction of dsDNA

O Dmytrenko, GC Neumann, T Hallmark, DJ Keiser… - Nature, 2023 - nature.com
Bacterial abortive-infection systems limit the spread of foreign invaders by shutting down or
killing infected cells before the invaders can replicate 1, 2. Several RNA-targeting CRISPR …

Programmable RNA detection with CRISPR-Cas12a

SR Rananaware, EK Vesco, GM Shoemaker… - Nature …, 2023 - nature.com
Cas12a, a CRISPR-associated protein complex, has an inherent ability to cleave DNA
substrates and is utilized in diagnostic tools to identify DNA molecules. We demonstrate that …

Asymmetric CRISPR enabling cascade signal amplification for nucleic acid detection by competitive crRNA

J Moon, C Liu - Nature Communications, 2023 - nature.com
Nucleic acid detection powered by CRISPR technology provides a rapid, sensitive, and
deployable approach to molecular diagnostics. While exciting, there remain challenges …

Quantum dot-based molecular beacons for quantitative detection of nucleic acids with CRISPR/Cas (N) nucleases

CM Green, J Spangler, K Susumu, DA Stenger… - ACS …, 2022 - ACS Publications
Strategies utilizing the CRISPR/Cas nucleases Cas13 and Cas12 have shown great
promise in the development of highly sensitive and rapid diagnostic assays for the detection …

Glow-in-the-dark infectious disease diagnostics using Crispr-Cas9-based Split luciferase complementation

HJ van der Veer, EA van Aalen… - ACS Central …, 2023 - ACS Publications
Nucleic acid detection methods based on CRISPR and isothermal amplification techniques
show great potential for point-of-care diagnostic applications. However, most current …

Ultrasensitive CRISPR/Cas13a-mediated photoelectrochemical biosensors for specific and direct assay of miRNA-21

L Jiang, J Du, H Xu, X Zhuo, J Ai, J Zeng… - Analytical …, 2023 - ACS Publications
Sensitive and specific assay of microRNAs (miRNAs) is beneficial to early disease
screening. Herein, we for the first time proposed clustered regularly interspaced short …